Compare 131 vs 383
| Property | 131 | 383 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 1311 | 3831 | 
| Prime factorization | 131 | 383 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 131 | 1, 383 | 
| Number of properties | 12 | 14 | 
| Additive primes | 17th | |
| Chen primes | 26th | |
| Class 1+ primes | 15th | |
| Cousin primes (2nd member) | 12th | 21st | 
| Happy primes | 20th | |
| Isolated primes | 13th | 35th | 
| Left-truncatable primes | 30th | |
| Long primes | 12th | 28th | 
| Multiplicative primes | 10th | |
| Palindromic primes | 7th | 14th | 
| Pierpont primes of the 2nd kind | 15th | |
| Primes | 32nd | 76th | 
| Safe primes | 15th | |
| Sexy primes (1st member) | 20th | 42nd | 
| Solinas primes | 23rd | 34th | 
| Sophie germain primes | 12th | |
| Thabit primes | 7th | |
| Ulam primes | 8th | |
| Woodall primes | 3rd | |
| Roman numberals | CXXXI | CCCLXXXIII | 
| Base 2 | 100000112 | 1011111112 | 
| Base 3 | 112123 | 1120123 | 
| Base 4 | 20034 | 113334 | 
| Base 5 | 10115 | 30135 | 
| Base 6 | 3356 | 14356 | 
| Base 7 | 2457 | 10557 | 
| Base 8 | 2038 | 5778 | 
| Base 9 | 1559 | 4659 | 
| Base 10 | 13110 | 38310 | 
| Base 11 | 10a11 | 31911 | 
| Base 12 | ab12 | 27b12 | 
| Base 13 | a113 | 23613 | 
| Base 14 | 9514 | 1d514 | 
| Base 15 | 8b15 | 1a815 | 
| Base 16 | 8316 | 17f16 |